Deck post support tube



FIG. 1 is a perspective view of a deck post support tube, showing our new design;

FIG. 2 is a left side view of FIG. 1;

FIG. 3 is a front view of FIG. 1, the right side and rear being identical thereto;

FIG. 4 is a top view thereof; and,

FIG. 5 is a bottom view thereof. 

The ornamental design of a deck post support tube as shown and described. 